Magazine  (1 Jul 1886)  Page(s) 108.  
 
Rosa spinosissima ou Rosier Pimprenelle
Choix des mailleures variétés.
Argo, simple, rouge clair.

Book  (1875)  Page(s) 75.  
 
The Scotch Rose. (Rosa spinosissima).
The following are a few of the best varieties:
Argo: blush.

Magazine  (10 Jun 1848)  Page(s) 381.  
 
"A Few Words on Scotch Roses." [by William Paul]
..I shall conclude this notice by offering a list of a few of the most distinct and interesting that have come under my personal observation.
Argo, flowers light red

Book  (1848)  Page(s) 17.  
 
The Scotch Rose.
8. Argo; flowers light red.

Book  (1833)  Page(s) 119.  
 
ROSA, ROSE.
New garden varieties of the Spinosissima, in the Rosarium Scoticum
Argo.